Abstract
This paper shows that the electrochemical mass transport in polypyrrole (Ppy) thin film deposited electrode, involves the change of rheology and electrochromatics of the Ppy film. These changes can be detected by measuring the resonant frequency, resonant resistance, and UV spectrum of a Ppy deposited quartz crystal. A Ppy deposited quartz crystal is used for measuring the cyclic voltammograms in KClO 4 electrolyte solution. The changes of the resonant frequency and resonant resistance showed that mass transport and viscoelastic changes occur in the Ppy film. The absorption change means that the electrochromatics change also occurs in the Ppy film.
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